Metal deforming – By or with work-constrainer and/or manipulated work-forcer – Comprising lever manipulated to force work
Patent
1975-08-04
1977-10-11
Lanham, C.W.
Metal deforming
By or with work-constrainer and/or manipulated work-forcer
Comprising lever manipulated to force work
72 34, B21D 714, B21C 5100
Patent
active
040528812
ABSTRACT:
A pipe bending tool has two indicators one at the upper surface between the shank and the bending finger and calibrated to determine the bending required for a given dimensional offset and the curved anvil bending surface for the tool also has calibration so that with the tool stationary the pipe can be bent around the curved anvil surface until the correct bending is effected for a given dimensional offset.
REFERENCES:
patent: 2381064 (1945-08-01), Lewin
patent: 2436776 (1948-02-01), Peapson
patent: 2470392 (1949-05-01), Gassmann
patent: 2656747 (1953-10-01), Lewin
patent: 2817986 (1957-12-01), Benfield
patent: 2847705 (1958-08-01), Hellwig
patent: 2932225 (1960-04-01), Gardner
patent: 3246498 (1966-04-01), Mount
patent: 3253441 (1966-05-01), Benfield
patent: 3590617 (1971-07-01), Mount
patent: 3763510 (1973-10-01), Graham
Crosby Gene P.
Lanham C.W.
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